There are plenty of spots to get an Italian beef in Chicago, but Johnnie's in Elmwood Park is full of customers lining up to get their hands on its juicy sandwich as soon as the doors open at 11.

Johnnie's Beef is admittedly the first spot almost any Chicagoan will recommend (it even made Anthony Bourdain's list of favorite Chicago restaurants). Tucked away in the suburb of Elmwood Park ...